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Diagrams and notes are the copyright of Mike Joseph. Please contact me should you wish to use them.

Rubber Cable (also known as Vulcanised India Rubber - VIR)

This is often found in older properties and should be removed as soon as possible. It is past its' sell-by date (by about 30+ years)

It is VERY dangerous!

It can be found in two forms usually: with a black outer rubber sheathing or with a lead outer sheath.

Rubber Cable
Rubber cable

The problem is that the rubber perishes over a period of time, becomes brittle so causing the insulation to flake off leaving bare wires. If lead encased, the outer sheath can become live. Often the first sign of a problem is a fire.

If rubber cable is in your property, then please get it replaced as soon as possible by a registered electrician (a member of Elecsa, NIC-EIC, NAPIT, ECA, BSI). Check that they are registered by contacting their official body with their registration number and name - do not rely on a verbal assurance. Work carried out by an unqualified electrician may invalidate your insurance and can be dangerous.

Diagrams and notes are the copyright of Mike Joseph. Please contact me should you wish to use them.

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